401029330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:763

約数の個数: 64

約数和(自身を含む): 808206336

約数和(自身を除く): 407177006

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 191, 310, 382, 403, 521, 806, 955, 1042, 1910, 2015, 2483, 2605, 4030, 4966, 5210, 5921, 6773, 11842, 12415, 13546, 16151, 24830, 29605, 32302, 33865, 59210, 67730, 76973, 80755, 99511, 153946, 161510, 199022, 209963, 384865, 419926, 497555, 769730, 995110, 1049815, 1293643, 2099630, 2587286, 3084841, 6169682, 6468215, 12936430, 15424205, 30848410, 40102933, 80205866, 200514665, 401029330]

約数ペア:

[(1, 401029330), (2, 200514665), (5, 80205866), (10, 40102933), (13, 30848410), (26, 15424205), (31, 12936430), (62, 6468215), (65, 6169682), (130, 3084841), (155, 2587286), (191, 2099630), (310, 1293643), (382, 1049815), (403, 995110), (521, 769730), (806, 497555), (955, 419926), (1042, 384865), (1910, 209963), (2015, 199022), (2483, 161510), (2605, 153946), (4030, 99511), (4966, 80755), (5210, 76973), (5921, 67730), (6773, 59210), (11842, 33865), (12415, 32302), (13546, 29605), (16151, 24830)]